[go: up one dir, main page]

EP0580061A3 - Method, coder and decoder for improving compatibility of hdmac signals - Google Patents

Method, coder and decoder for improving compatibility of hdmac signals Download PDF

Info

Publication number
EP0580061A3
EP0580061A3 EP19930111171 EP93111171A EP0580061A3 EP 0580061 A3 EP0580061 A3 EP 0580061A3 EP 19930111171 EP19930111171 EP 19930111171 EP 93111171 A EP93111171 A EP 93111171A EP 0580061 A3 EP0580061 A3 EP 0580061A3
Authority
EP
European Patent Office
Prior art keywords
coder
decoder
improving compatibility
hdmac
signals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19930111171
Other versions
EP0580061B1 (en
EP0580061A2 (en
Inventor
Martin Weisser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vantiva SA
Original Assignee
Thomson Consumer Electronics SA
Thomson Consumer Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Consumer Electronics SA, Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics SA
Priority to EP93111171A priority Critical patent/EP0580061B1/en
Publication of EP0580061A2 publication Critical patent/EP0580061A2/en
Publication of EP0580061A3 publication Critical patent/EP0580061A3/en
Application granted granted Critical
Publication of EP0580061B1 publication Critical patent/EP0580061B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/015—High-definition television systems
    • H04N7/0152—High-definition television systems using spatial or temporal subsampling
    • H04N7/0155—High-definition television systems using spatial or temporal subsampling using pixel blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/24—High-definition television systems
    • H04N11/28—High-definition television systems involving bandwidth reduction, e.g. subsampling

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Television Systems (AREA)
EP93111171A 1992-07-22 1993-07-13 Method, coder and decoder for improving compatibility of HDMAC signals Expired - Lifetime EP0580061B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP93111171A EP0580061B1 (en) 1992-07-22 1993-07-13 Method, coder and decoder for improving compatibility of HDMAC signals

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP92402120 1992-07-22
EP92402120 1992-07-22
EP92403065 1992-11-13
EP92403065 1992-11-13
EP93111171A EP0580061B1 (en) 1992-07-22 1993-07-13 Method, coder and decoder for improving compatibility of HDMAC signals

Publications (3)

Publication Number Publication Date
EP0580061A2 EP0580061A2 (en) 1994-01-26
EP0580061A3 true EP0580061A3 (en) 1994-05-11
EP0580061B1 EP0580061B1 (en) 1997-10-01

Family

ID=27234862

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93111171A Expired - Lifetime EP0580061B1 (en) 1992-07-22 1993-07-13 Method, coder and decoder for improving compatibility of HDMAC signals

Country Status (1)

Country Link
EP (1) EP0580061B1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4612568A (en) * 1984-11-05 1986-09-16 Rca Corporation Burst-to-line-locked clock digital video signal sample rate conversion apparatus
WO1989001269A1 (en) * 1987-07-31 1989-02-09 Fairchild Weston Systems, Inc. Contrast enhancement using linear processing techniques
EP0319105A1 (en) * 1987-12-03 1989-06-07 Koninklijke Philips Electronics N.V. TV broadcasting system for the transmission of a high-definition time-division multiplex TV signal
EP0433199A1 (en) * 1989-12-15 1991-06-19 ETAT FRANCAIS représenté par le Ministre des PTT (Centre National d'Etudes des Télécommunications) System and decoder for a high definition signal of the MAC/packet-family which are compatible with a wideband and a narrow band channel
EP0484844A2 (en) * 1990-11-05 1992-05-13 THOMSON multimedia Compatibility improvement apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4612568A (en) * 1984-11-05 1986-09-16 Rca Corporation Burst-to-line-locked clock digital video signal sample rate conversion apparatus
WO1989001269A1 (en) * 1987-07-31 1989-02-09 Fairchild Weston Systems, Inc. Contrast enhancement using linear processing techniques
EP0319105A1 (en) * 1987-12-03 1989-06-07 Koninklijke Philips Electronics N.V. TV broadcasting system for the transmission of a high-definition time-division multiplex TV signal
EP0433199A1 (en) * 1989-12-15 1991-06-19 ETAT FRANCAIS représenté par le Ministre des PTT (Centre National d'Etudes des Télécommunications) System and decoder for a high definition signal of the MAC/packet-family which are compatible with a wideband and a narrow band channel
EP0484844A2 (en) * 1990-11-05 1992-05-13 THOMSON multimedia Compatibility improvement apparatus

Also Published As

Publication number Publication date
EP0580061B1 (en) 1997-10-01
EP0580061A2 (en) 1994-01-26

Similar Documents

Publication Publication Date Title
EP0698876A3 (en) Method of decoding encoded speech signals
AU649711B2 (en) Method of purifying bisphenol-A
HU9401580D0 (en) Method for the preparation and popification of alphia - interferon
AU621986B2 (en) Method of encoded video decoding
PL297904A1 (en) Method of obtaining bisephenol
EP0599664A3 (en) Voice encoder and method of voice encoding.
PL313740A1 (en) Method of
SG49260A1 (en) Method and arrangement for transmitting speech signals
PL305237A1 (en) Method of obtaining 3-aminopyridines from 3-nitropyridines
EP0580061A3 (en) Method, coder and decoder for improving compatibility of hdmac signals
GB9226309D0 (en) Improved method of manufacture
LT95119A (en) Composition of whisky
GB2290641B (en) Method of evaluating signals
PL297500A1 (en) Method of obtaining 4-phenyl-benzophenone
AU5174293A (en) Method of encoding speech
AU6517190A (en) Method and apparatus for encoding and decoding signals
KR100209474B1 (en) Signal coder / decoder and the method
AU7349496A (en) Method for treatment of SLE
HUT73570A (en) Method for making of coalbricks
PL306069A1 (en) Method of obtaining furfuryl-urea-formaldehyde resin
PL299907A1 (en) Method of obtaining bacterial cellulose
HUT66998A (en) Method for strengthening of natural woodmatherials
AU7239094A (en) Method of improving note
PL293871A1 (en) Method of making antiburglary doors
PL299255A1 (en) Method of obtaining meproscilarine

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE DK FR GB SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE DK FR GB SE

17P Request for examination filed

Effective date: 19941021

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: THOMSON MULTIMEDIA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

17Q First examination report despatched

Effective date: 19970127

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE DK FR GB SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19971001

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19971001

REF Corresponds to:

Ref document number: 69314251

Country of ref document: DE

Date of ref document: 19971106

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19980101

EN Fr: translation not filed
RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: THOMSON MULTIMEDIA

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19990611

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19991229

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000713

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20000713

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020501